Reporting Manager
GAMCO INVESTORS, INC. ET AL
Symbol
ZIMV
Disclosed Ownership
0 shares
Ownership
0%
Form type
SCHEDULE 13D
Date filed
7/28/2025, 04:10 PM
Date of event
Jul 25, 2025
Next filing
Oct 22, 2025

Reporting Managers (9)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
GAMCO INVESTORS, INC. ET AL 0% 0 0 0 PETER D. GOLDSTEIN GENERAL COUNSEL 0000807249
GABELLI FUNDS LLC 1.2% 348K 348K 0 DAVID GOLDMAN GENERAL COUNSEL 0001081407
GAMCO Asset Management Inc. 2.9% 803K 803K 0 DOUGLAS R. JAMIESON PRESIDENT 0001460612
GABELLI & Co INVESTMENT ADVISERS, INC. 0.6% 169K 169K 0 DOUGLAS R. JAMIESON PRESIDENT 0000932724
GABELLI FOUNDATION, INC. 0% 12K 12K 0 DAVID GOLDMAN ATTORNEY-IN-FACT
Teton Advisors, Inc. 0.3% 70K 70K 0 DAVID GOLDMAN COUNSEL 0001444874
GGCP, INC. 0% 0 0 0 DAVID GOLDMAN ATTORNEY-IN-FACT 0001238894
Associated Capital Group, Inc. 0% 0 0 0 PETER D. GOLDSTEIN CHIEF LEGAL OFFICER 0001642122
GABELLI MARIO J 0% 1K 1K 0 DAVID GOLDMAN ATTORNEY-IN-FACT 0001185533